User Manual

Data sheet
BMP085
Page 6
BST-BMP085-DS000-06 | Revision 1.3 | August 2011 Bosch Sensortec
© Bosch Sensortec GmbH reserves all rights even in the event of industrial property rights. We reserve all rights of disposal such as copying and passing on to
third parties. BOSCH and the symbol are registered trademarks of Robert Bosch GmbH, Germany.
Note: Specifications within this document are subject to change without notice.
1. Electrical characteristics
If not stated otherwise, the given values are maximum values over temperature/voltage range in
the given operation mode.
Table 1: Electrical characteristics
Parameter Symbol Condition Min Typ Max Units
operational -40 +85
Operating
temperature
T
A
full accuracy 0 +65
°C
V
DD
ripple max. 50mVpp 1.8 2.5 3.6 V
Supply voltage
V
DDIO
1.62 2.5 3.6 V
I
DDLOW
ultra low power mode 3 μA
I
DDSTD
standard mode 5 μA
I
DDHR
high resolution mode 7 μA
Supply current
@ 1 sample / sec.
25°C
I
DDUHR
ultra high res. mode 12 μA
Peak current I
peak
during conversion 650 1000 μA
Standby current I
DDSBM
at 25°C 0.1 μA
Serial data clock f
SCL
3.4 MHz
Conversion time
temperature
t
C_temp
standard mode 3 4.5 ms
t
c_p_low
ultra low power mode 3 4.5 ms
t
c_p_std
standard mode 5 7.5 ms
t
c_p_hr
high resolution mode 9 13.5 ms
Conversion time
pressure
t
c_p_luhr
ultra high res. mode 17 25.5 ms
700 . . . 1100 hPa
0 . . . +65 °C
-2.5 ±1.0 +2.5 hPa
300 . . . 700 hPa
0 . . . +65 °C
-3.0
±1.0
+3.0 hPa
Absolute accuracy
pressure
V
DD
= 3.3V
300 . . . 1100 hPa
-20 . . . 0 °C
-4.0
±1.5
+4.0 hPa
pressure 0.01 hPa
Resolution of
output data
temperature 0.1 °C
700 . . . 1100 hPa
@ 25 °C
±0.2
hPa Relative accuracy
pressure
V
DD
= 3.3V
0 . . . 65 °C @ p
const.
±0.5 hPa